Initial refunds implementationdev/ivan-avalos/refunds

6 files changed, 138 insertions, 0 deletions

diff --git a/TalerWallet.xcodeproj/project.pbxproj b/TalerWallet.xcodeproj/project.pbxproj
index 83e73fd..a202d07 100644
--- a/TalerWallet.xcodeproj/project.pbxproj
+++ b/TalerWallet.xcodeproj/project.pbxproj
@@ -254,6 +254,10 @@
 		4EFA39612AA7946B00742548 /* ToSButtonView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EFA395F2AA7946B00742548 /* ToSButtonView.swift */; };
 		ABC13AA32859962800D23185 /* taler-swift in Frameworks */ = {isa = PBXBuildFile; productRef = ABC13AA22859962800D23185 /* taler-swift */; };
 		ABE97B1D286D82BF00580772 /* AnyCodable in Frameworks */ = {isa = PBXBuildFile; productRef = ABE97B1C286D82BF00580772 /* AnyCodable */; };
+		E37AA62A2AF197E5003850CF /* Model+Refund.swift in Sources */ = {isa = PBXBuildFile; fileRef = E37AA6292AF197E5003850CF /* Model+Refund.swift */; };
+		E37AA62B2AF197E5003850CF /* Model+Refund.swift in Sources */ = {isa = PBXBuildFile; fileRef = E37AA6292AF197E5003850CF /* Model+Refund.swift */; };
+		E37AA62E2AF19BE0003850CF /* RefundURIView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E37AA62D2AF19BE0003850CF /* RefundURIView.swift */; };
+		E37AA62F2AF19BE0003850CF /* RefundURIView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E37AA62D2AF19BE0003850CF /* RefundURIView.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -425,6 +429,8 @@
 		D14AFD1D24D232B300C51073 /* Taler_Wallet.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Taler_Wallet.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		D14AFD3324D232B500C51073 /* TalerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = TalerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		D14AFD3E24D232B500C51073 /* TalerUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = TalerUITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		E37AA6292AF197E5003850CF /* Model+Refund.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Model+Refund.swift"; sourceTree = "<group>"; };
+		E37AA62D2AF19BE0003850CF /* RefundURIView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RefundURIView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -623,6 +629,7 @@
 				4EB095322989CBFE0043A8A1 /* Model+Transactions.swift */,
 				4EB0953D2989CBFE0043A8A1 /* Model+Withdraw.swift */,
 				4EB0951E2989CBCB0043A8A1 /* Transaction.swift */,
+				E37AA6292AF197E5003850CF /* Model+Refund.swift */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -783,6 +790,7 @@
 		4EEC157129F7188B00D46A03 /* Sheets */ = {
 			isa = PBXGroup;
 			children = (
+				E37AA62C2AF19BA6003850CF /* Refund */,
 				4EEC157729F9032900D46A03 /* Sheet.swift */,
 				4EEC157929F9427F00D46A03 /* QRSheet.swift */,
 				4E753A072A0B6A5F002D9328 /* ShareSheet.swift */,
@@ -837,6 +845,14 @@
 			path = TalerUITests;
 			sourceTree = "<group>";
 		};
+		E37AA62C2AF19BA6003850CF /* Refund */ = {
+			isa = PBXGroup;
+			children = (
+				E37AA62D2AF19BE0003850CF /* RefundURIView.swift */,
+			);
+			path = Refund;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -1117,6 +1133,7 @@
 				4E3EAE5C2A990778009F1BE8 /* Model+Pending.swift in Sources */,
 				4E3EAE5D2A990778009F1BE8 /* ExchangeListView.swift in Sources */,
 				4E3EAE5E2A990778009F1BE8 /* WithdrawProgressView.swift in Sources */,
+				E37AA62E2AF19BE0003850CF /* RefundURIView.swift in Sources */,
 				4E3EAE5F2A990778009F1BE8 /* QRSheet.swift in Sources */,
 				4E3EAE602A990778009F1BE8 /* P2pReceiveURIView.swift in Sources */,
 				4E3EAE612A990778009F1BE8 /* ListStyle.swift in Sources */,
@@ -1124,6 +1141,7 @@
 				4E3EAE632A990778009F1BE8 /* WalletCore.swift in Sources */,
 				4E3EAE642A990778009F1BE8 /* LaunchAnimationView.swift in Sources */,
 				4E3EAE652A990778009F1BE8 /* SideBarView.swift in Sources */,
+				E37AA62A2AF197E5003850CF /* Model+Refund.swift in Sources */,
 				4E3EAE662A990778009F1BE8 /* PendingOpView.swift in Sources */,
 				4E3EAE672A990778009F1BE8 /* PendingOpsListView.swift in Sources */,
 				4E3EAE682A990778009F1BE8 /* WalletModel.swift in Sources */,
@@ -1226,6 +1244,7 @@
 				4EB0956E2989CBFE0043A8A1 /* Model+Pending.swift in Sources */,
 				4EB095522989CBFE0043A8A1 /* ExchangeListView.swift in Sources */,
 				4EB095642989CBFE0043A8A1 /* WithdrawProgressView.swift in Sources */,
+				E37AA62F2AF19BE0003850CF /* RefundURIView.swift in Sources */,
 				4EEC157A29F9427F00D46A03 /* QRSheet.swift in Sources */,
 				4E3B4BC12A41E6C200CC88B8 /* P2pReceiveURIView.swift in Sources */,
 				4E6EDD872A363D8D0031D520 /* ListStyle.swift in Sources */,
@@ -1233,6 +1252,7 @@
 				4EB095202989CBCB0043A8A1 /* WalletCore.swift in Sources */,
 				4EB095672989CBFE0043A8A1 /* LaunchAnimationView.swift in Sources */,
 				4EB095662989CBFE0043A8A1 /* SideBarView.swift in Sources */,
+				E37AA62B2AF197E5003850CF /* Model+Refund.swift in Sources */,
 				4EB0956F2989CBFE0043A8A1 /* PendingOpView.swift in Sources */,
 				4EB095702989CBFE0043A8A1 /* PendingOpsListView.swift in Sources */,
 				4EB095162989CBB00043A8A1 /* WalletModel.swift in Sources */,
diff --git a/TalerWallet1/Backend/WalletBackendRequest.swift b/TalerWallet1/Backend/WalletBackendRequest.swift
index 293269c..2082796 100644
--- a/TalerWallet1/Backend/WalletBackendRequest.swift
+++ b/TalerWallet1/Backend/WalletBackendRequest.swift
@@ -313,4 +313,29 @@ struct WalletBackendSuspendCoinRequest: WalletBackendFormattedRequest {
     }
 }
 
+struct PrepareRefundRequest: WalletBackendFormattedRequest {
+    func operation() -> String { "startRefundQueryForUri" }
+    func args() -> Args { Args(talerRefundUri: talerRefundUri) }
+
+    var talerRefundUri: String
 
+    struct Args: Encodable {
+        var talerRefundUri: String
+    }
+
+    struct Response: Decodable {
+        var transactionId: String
+    }
+}
+
+struct StartRefundQueryRequest: WalletBackendFormattedRequest {
+    struct Response: Decodable {}
+    func operation() -> String { "startRefundQuery" }
+    func args() -> Args { Args(transactionId: transactionId) }
+
+    var transactionId: String
+
+    struct Args: Encodable {
+        var transactionId: String
+    }
+}
diff --git a/TalerWallet1/Controllers/Controller.swift b/TalerWallet1/Controllers/Controller.swift
index fe55625..3e211cd 100644
--- a/TalerWallet1/Controllers/Controller.swift
+++ b/TalerWallet1/Controllers/Controller.swift
@@ -25,6 +25,7 @@ enum UrlCommand {
     case payPush
     case payTemplate
     case reward
+    case refund
 }
 
 // MARK: -
@@ -149,6 +150,8 @@ extension Controller {
                 return UrlCommand.payPush
             case "pay-template":
                 return UrlCommand.payTemplate
+            case "refund":
+                return UrlCommand.refund
             default:
                 symLog.log("unknown command taler://\(command)")
         }
diff --git a/TalerWallet1/Model/Model+Refund.swift b/TalerWallet1/Model/Model+Refund.swift
new file mode 100644
index 0000000..dfdd2ff
--- /dev/null
+++ b/TalerWallet1/Model/Model+Refund.swift
@@ -0,0 +1,26 @@
+//
+//  Model+Refund.swift
+//  TalerWallet
+//
+//  Created by Ivan Avalos on 31/10/23.
+//  Copyright © 2023 Taler. All rights reserved.
+//
+
+import Foundation
+
+fileprivate let ASYNCDELAY: UInt = 0   //set e.g to 6 or 9 seconds for debugging
+
+extension WalletModel {
+    @MainActor
+    func prepareRefundForUriM(url: String) async throws -> PrepareRefundRequest.Response {
+        let request = PrepareRefundRequest(talerRefundUri: url)
+        let response = try await sendRequest(request, ASYNCDELAY)
+        return response
+    }
+
+    @MainActor
+    func startRefundM(transactionId: String) async throws {
+        let request = StartRefundQueryRequest(transactionId: transactionId)
+        let _ = try await sendRequest(request, ASYNCDELAY)
+    }
+}
diff --git a/TalerWallet1/Views/Sheets/Refund/RefundURIView.swift b/TalerWallet1/Views/Sheets/Refund/RefundURIView.swift
new file mode 100644
index 0000000..7975000
--- /dev/null
+++ b/TalerWallet1/Views/Sheets/Refund/RefundURIView.swift
@@ -0,0 +1,62 @@
+/*
+ * This file is part of GNU Taler, ©2022-23 Taler Systems S.A.
+ * See LICENSE.md
+ */
+import SwiftUI
+import SymLog
+import taler_swift
+
+struct RefundURIView: View {
+    private let symLog = SymLogV(0)
+    let stack: CallStack
+    let navTitle = String(localized: "Accept Refund", comment:"receive refund")
+
+    @EnvironmentObject private var controller: Controller
+    @AppStorage("myListStyle") var myListStyle: MyListStyle = .automatic
+
+    let url: URL
+
+    @EnvironmentObject private var model: WalletModel
+
+    @State var prepareRefundResponse: PrepareRefundRequest.Response? = nil
+
+    var body: some View {
+        if prepareRefundResponse != nil {
+            VStack {
+                Text(String(localized: "Successful refund!"))
+                    .accessibilityFont(.title)
+
+                Button("OK") {
+                    dismissTop(animated: true)
+                }
+                .padding(.horizontal, 30)
+                .buttonStyle(TalerButtonStyle(type: .prominent,
+                                              narrow: false,
+                                              aligned: .center))
+            }
+        } else {
+            let badURL = "Error in Link: \(url)"
+            WithdrawProgressView(message: url.host ?? badURL)
+                .navigationTitle("Find Exchange")
+                .task {
+                    do {
+                        symLog.log(".task")
+                        let result = try await model.prepareRefundForUriM(url: url.absoluteString)
+                        prepareRefundResponse = result
+                    } catch {    // TODO: error
+                        symLog.log(error.localizedDescription)
+                    }
+                }
+        }
+    }
+}
+
+// MARK: -
+struct RefundURIView_Previews: PreviewProvider {
+    static var previews: some View {
+        let details = PrepareRefundRequest.Response(
+            transactionId: "txn:refund:12345")
+        let url = URL(string: "taler://reward/survey")!
+        RefundURIView(stack: CallStack("Preview"), url: url, prepareRefundResponse: details)
+    }
+}
diff --git a/TalerWallet1/Views/Sheets/URLSheet.swift b/TalerWallet1/Views/Sheets/URLSheet.swift
index 4bb7a10..84c9eb9 100644
--- a/TalerWallet1/Views/Sheets/URLSheet.swift
+++ b/TalerWallet1/Views/Sheets/URLSheet.swift
@@ -31,6 +31,8 @@ struct URLSheet: View {
                     P2pReceiveURIView(stack: stack.push(), url: urlToOpen)
                 case .payTemplate:
                     PayTemplateView(stack: stack.push(), url: urlToOpen)
+                case .refund:
+                    RefundURIView(stack: stack.push(), url: urlToOpen)
 //                case .reward:
 //                    RewardURIView(url: urlToOpen)
                 default:        // Error view